Khamis, Mustafa, and Ziad Qais AlAbbasi. 2022. “Designing a W-Type Index Praseodymium-Doped Chalcogenide Fiber for Strongly-Efficient MIR Laser Beyond 4 μm”. International Journal of Electrical and Computer Engineering Systems 13 (10):859-65. https://doi.org/10.32985/ijeces.13.10.3.